 Yeah, that's definitely true. And also, let's be honest, I mean, these tips are going to be helpful for folks who have flexibility in their travel plans. But sometimes when you're booking a last-minute trip, it's because something's come up. You have to be somewhere at a certain time. You may not have that kind of flexibility. So, again, these are tips, but they are far from guarantees when it comes to looking for last-minute airfare. All right, tip number one, how do we begin? How do we begin?